1942203 has 4 divisors (see below), whose sum is σ = 2589608. Its totient is φ = 1294800.

The previous prime is 1942201. The next prime is 1942207. The reversal of 1942203 is 3022491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3022491 = 3 ⋅1007497.

It is not a de Polignac number, because 1942203 - 2¹ = 1942201 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942203.

It is not an unprimeable number, because it can be changed into a prime (1942201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323698 + ... + 323703.

It is an arithmetic number, because the mean of its divisors is an integer number (647402).

2^1942203 is an apocalyptic number.

1942203 is a deficient number, since it is larger than the sum of its proper divisors (647405).

1942203 is an equidigital number, since it uses as much as digits as its factorization.

1942203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647404.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1942203 is about 1393.6294342471. The cubic root of 1942203 is about 124.7665616570.

Adding to 1942203 its reverse (3022491), we get a palindrome (4964694).

It can be divided in two parts, 194220 and 3, that multiplied together give a triangular number (582660 = T₁₀₇₉).

The spelling of 1942203 in words is "one million, nine hundred forty-two thousand, two hundred three".